3
CONTENTS
Loudspeaker Description
The Ribbon Speaker Performance………………………………………………………………….4
Ribbon Speaker Kit Design Concept………………………………………………………………..5
Tweeter: Fountek Ribbon……………………………………………………………………………5
Woofer: Peerless Bass/Midrange……………...........................................................................5
The Ribbon Speaker Enclosures…………………………………………………..........................6
Centre Speaker………………………………………………………………………………………..6
Enclosure Bracing Rib………………………………………………………………………………...6
Enclosure Felt Damping………………………………………………………………………………6
Enclosure Rear Port & Port Flare ……………………………………………………………………7
Enclosure Bracing and Felt Acoustic Damping…………………………………………………….7
Grill Panel………………………………………………………………………………………………7
Enclosure Features Summary………………………………………………………………………..7
Crossover 260 260C 360……………………………………………………………………………..8
Crossover Features Summary……………………………………………………………………….8
Speaker Cable type internal wiring & amplifier……………………………………………………..8
Loudspeaker Connection
Speaker Cable Wiring (Standard) ……………………………………………………………………9
Speaker Cable (BI Wiring)…………………………………………………....................................10
Building Instructions
Crossover Board (Bottom) 260-260C 360…………………………………………………………..11
Woofer (Bottom) 260 260C 360……………………………………………………………………...11
Fountek Jp3.0 Ribbon Tweeter………………………………………………………………………11
Ribbon 260 360 Fronts………………………………………………………………………………..11
Woofer (top) 260 260C………………………………………………………………………………11
Ribbon 260C Centre Speaker………………………………………………………………………..11
Location of Crossover PCB and Wiring 260 360 260C…………………………………………...12
Testing the Finished Speaker Box
…………………………………………………………..13
Bass Speaker phase test (dc only)………………………………………………………………….13
Crossover Network Resistance (dc only) (optional)……………………………………………….13
Digital Multi Meter (DMM) Readings………………………………………………………………...13
Testing the Speaker Box Photos 2 &3 ……………………………………………………………...14
Installation Photographs
…….………………………………………………………15.to.27
Fully Assembled 260 260C……………………………………………………………………………28
Fully Assembled 360…………………………………………………………………………………..29
Recommended Loudspeaker Room Location.................................
30
How to make Port and Port Flare &
Enclosure Felt Damping
………..
31 to 38
Summary of Contents for Ribbon 260
Page 2: ...2 Loudspeaker Description and Building Instructions...
Page 12: ...12 Building Instructions Location of Crossover PCB and Wiring...
Page 16: ...16 Crossover PCB assembly with 260 enclosure...
Page 18: ...18 Fit crossover assembly through lower woofer hole and secure with six Velcro tabs...
Page 20: ...20 Note Fit speaker 4 terminal cup so terminal post faces toward the top of the box...
Page 21: ...21 Speaker push on connector cables fitted through front speaker mounting whole cutouts...
Page 22: ...22 260 FRONT showing ribbon tweeter and Woofer with 3mm Allen key...
Page 23: ...23...
Page 25: ...25...
Page 26: ...26 260 C CENTRE showing peerless bass mid connections...
Page 27: ...27 260 C CENTRE ribbon tweeter with protection label...
Page 28: ...28 Fully Assembled 260 260C 260 260C Centre 260...
Page 29: ...29 Fully Assembled 360...